POV-Ray : Newsgroups : povray.beta-test : Possible problem with mediasky.pov (beta4) : Re: Possible problem with mediasky.pov (beta4) Server Time
23 Apr 2024 10:24:07 EDT (-0400)
  Re: Possible problem with mediasky.pov (beta4)  
From: Chris Cason
Date: 7 May 2005 18:48:46
Message: <427d45ce@news.povray.org>
Warp wrote:
>   scenes\advanced\mediasky.pov looks much darker with pov3.7beta4
> than with pov3.6. I believe that the difference in brightness
> probably can't be attributed to gamma problems in this case because
> it is so pronounced (but I might be wrong, actually; the scene uses
> assumed_gamma 1, and I have noticed that the more the assumed_gamma
> differs from the default, the more different pov3.7beta will render
> it...)

The stats show a number of differences (especially in shadow ray tests) so
there's definitely something going on there.

>   By the way, a minor thing and probably not an issue, but at 320x240
> (no aa) pov3.6 takes 1m 20s to render while pov3.7beta4 takes 1m 46s.
> Is such a slowdown to be expected?

There are some speed issues (it's noted in the announcement). We have more
work to finish in that area.

-- chris


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.